From 2007 to 2010 he worked as Advisor to the President of the Republic of Poland Lech Kaczyński and Sherpa for the negotiations of the Lisbon Treaty. Since 2004 ha has been the Research Director of the Natolin European Centre in Warsaw as well as Editor-in-chief of the magazine “New Europe. Natolin Review”.  Since 2003 he has been also publisher and Editor-in-chief of the “Teologia Polityczna” yearly. He is permanent professor in Collegium Civitas in Warsaw and visiting professor in College of Europe Natolin. He is also author of many books, essays, articles and dissertations on international relations.